Hand me that eraser, please.

In Brain Disorders by Brainy Days Ahead

People who have phobias can erase them with a kind of treatment called exposure therapy that creates extinction. Trouble is, like Cinderella’s night at the ball, the treatment doesn’t last. Researchers now have identified the brain circuit involved and are able to extend the benefits of treatment much longer. Who would have guessed that the answer would be hidden in the brain’s pleasure circuit?